Home / 188,070.60-259,537.74-103,188.27

Finding the Fourth Proportional to 188,070.60, 259,537.74 and 103,188.27

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Solution

The fourth proportional to 188,070.60, 259,537.74 and 103,188.27 is: 142,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,070.60 : 259,537.74 = 103,188.27 : x
  2. Step 2: Convert to fraction form
    188,070.60/259,537.74 = 103,188.27/x
  3. Step 3: Cross multiply
    188,070.60x = 259,537.74 × 103,188.27
  4. Step 4: Simplify right side
    188,070.60x = 26,781,250,390.31
  5. Step 5: Solve for x
    x = 26,781,250,390.31/188,070.60
  6. Step 6: Final answer
    x = 142,399.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.